The Rice Thresher (Houston, Tex.), Vol. 59, No. 25, Ed. 1 Thursday, April 13, 1972, newspaper, April 13, 1972; (https://texashistory.unt.edu/ark:/67531/metapth245132/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .